of the voters, especially in their crucial battleground states. they told us that the candidates are now waiting for the only poll that matters. president obama and mitt romney both threw battleground states on monday for the final push of the e votes for the -- push of the votes for the election day. and he told supporters romney's campaign is the greatest hits collection of failed policies. >> he is trying to pretend that somehow his own ideas did not work and that they are new and they will work this time. >> reporter: wrapping up the last political campaign in ohio and iowa, the president says that the choice on tuesday is a matter of trust. >> you know what i believe. and you know where i stand. and you know i tell the truth. and you know that i will fight for you and your family every single day as hard as i know how. >> reporter: president obama will monitor the returns from his hometown of chicago. mitt romney's campaign will await the results in boston. the republican nominee got a rocking reception in columbus, ohio. that they failed to deliver the change he promised. >> talk is cheap.